Home / 104,212.53-143,815.97-63,948.54

Finding the Fourth Proportional to 104,212.53, 143,815.97 and 63,948.54

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Solution

The fourth proportional to 104,212.53, 143,815.97 and 63,948.54 is: 88,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,212.53 : 143,815.97 = 63,948.54 : x
  2. Step 2: Convert to fraction form
    104,212.53/143,815.97 = 63,948.54/x
  3. Step 3: Cross multiply
    104,212.53x = 143,815.97 × 63,948.54
  4. Step 4: Simplify right side
    104,212.53x = 9,196,820,990.44
  5. Step 5: Solve for x
    x = 9,196,820,990.44/104,212.53
  6. Step 6: Final answer
    x = 88,250.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.